Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.

Kill the Charger boar mobs in the Elven Tier4 zones until you get Lean Boar Meat. The unlock is automatically triggered. There's a quest in one of the High Elf camps along a river that gives you a kill task quest to kill a number of Boars and Chargers at the river. You can farm these for the chance drop.